DataFlex

Add Binary Data to a ZIP Using AddBd

See more Zip Examples

This example demonstrates how to use the AddBd method to add binary data from a BinData object as a file entry within a ZIP archive.

The data is created entirely in memory, added to the ZIP as data/binary.dat, and then written to disk.

DataFlex

Use ChilkatAx-win32.pkg

Procedure Test
    Boolean iSuccess
    Handle hoZip
    Variant vBd
    Handle hoBd
    String sTemp1

    Move False To iSuccess

    // Create a new ZIP archive.
    Get Create (RefClass(cComChilkatZip)) To hoZip
    If (Not(IsComObjectCreated(hoZip))) Begin
        Send CreateComObject of hoZip
    End

    Get ComNewZip Of hoZip "inMemoryData.zip" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Create a BinData object containing binary content.
    Get Create (RefClass(cComChilkatBinData)) To hoBd
    If (Not(IsComObjectCreated(hoBd))) Begin
        Send CreateComObject of hoBd
    End

    // Append some bytes as hexadecimal.
    // The decoded bytes will become the contents of the ZIP entry.
    Get ComAppendEncoded Of hoBd "000102030405060708090A0B0C0D0E0F" "hex" To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoBd To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Add the BinData contents as a file entry within the ZIP.
    // The file will be stored as "data/binary.dat" inside the ZIP archive.
    Get pvComObject of hoBd to vBd
    Get ComAddBd Of hoZip "data/binary.dat" vBd To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Write the ZIP archive to disk and close it.
    Get ComWriteZipAndClose Of hoZip To iSuccess
    If (iSuccess = False) Begin
        Get ComLastErrorText Of hoZip To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Showln "ZIP archive created successfully."


End_Procedure